NCT00119301: Methotrexate, Trimetrexate Glucuronate, and Leucovorin in Treating Patients With Refractory or Recurrent Osteosarcoma |
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| Completed | 1 | 18 | US | leucovorin calcium, methotrexate, trimetrexate glucuronate | Memorial Sloan Kettering Cancer Center, National Cancer Institute (NCI) | Sarcoma | 04/07 | | | |
